<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <!-- 使用三个大括号，会直接原文输出 -->
    {{{ meta }}}
    <title>{{ title }}</title>
</head>
<body>
   <!--vue-ssr-outlet-->
</body>
</html>